SpringerLink (Online service), Zektser, I. S., Marker, B., Ridgway, J., Rogachevskaya, L., & Vartanyan, G. (2006). Geology and Ecosystems: International Union of Geological Sciences (IUGS) Commission on Geological Sciences for Environmental Planning (COGEOENVIRONMENT) Commission on Geosciences for Environmental Management (GEM). Springer US.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Igor S. Zektser, Brian Marker, John Ridgway, Liliya Rogachevskaya, και Genrikh Vartanyan. Geology and Ecosystems: International Union of Geological Sciences (IUGS) Commission on Geological Sciences for Environmental Planning (COGEOENVIRONMENT) Commission on Geosciences for Environmental Management (GEM). Boston, MA: Springer US, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Geology and Ecosystems: International Union of Geological Sciences (IUGS) Commission on Geological Sciences for Environmental Planning (COGEOENVIRONMENT) Commission on Geosciences for Environmental Management (GEM). Springer US, 2006.
